1967.0000000;-0.9797226
1968.0000000;0.3176965
1969.0000000;-0.1594821
1970.0000000;-0.7501393
1971.0000000;-0.5520785
1972.0000000;-0.0421172
1973.0000000;-1.3999410
1974.0000000;-1.0080833
1975.0000000;0.1478379
1976.0000000;-1.0455269
1977.0000000;0.6150953
1978.0000000;0.5595098
1979.0000000;-0.2964730
1980.0000000;0.2414795
1981.0000000;-0.2005299
1982.0000000;-0.2039871
1983.0000000;-0.2707841
1984.0000000;0.3834798
1985.0000000;-0.5141889
1986.0000000;-1.2552965
1987.0000000;-0.3437427
1988.0000000;0.0488175
1989.0000000;-1.5948627
1990.0000000;-1.0808146
1991.0000000;-0.6987953
1992.0000000;-0.7899781
1993.0000000;-0.5526083
1994.0000000;-0.2430591
1995.0000000;0.3710051
1996.0000000;-0.1071360
1997.0000000;-0.3409004
1998.0000000;-1.4927454
1999.0000000;-0.4819211
2000.0000000;-0.8751929
2001.0000000;0.8813280
2002.0000000;-0.5710079
2003.0000000;-2.5840869